📖 The AI Tool Bible

All AI tools

63 tools

Claude

Featured
Writing · Claude Opus / Sonnet
9.6

Anthropic's flagship assistant for long-form writing, analysis, and coding.

Freemium· Free tier; Pro $20/molong-form writingsummarization

Cursor

Featured
Coding · Claude / GPT-4o (configurable)
9.5

AI-first VS Code fork — chat, edit, and agentic coding in one IDE.

Freemium· Free hobby; Pro $20/mocodingrefactors

ElevenLabs

Featured
Audio
9.4

The gold standard for AI voice cloning and TTS.

Freemium· Free 10k chars; from $5/moTTSvoice cloning

GPT-4o

Featured
Writing · GPT-4o
9.4

OpenAI's multimodal flagship behind ChatGPT.

Freemium· Free tier; Plus $20/mogeneral writingsummarization

Midjourney

Featured
Image Generation · Midjourney v7
9.4

The gold standard for aesthetic AI image generation.

Paid· $10/mo basic; up to $120/mo proillustrationconcept art

Suno

Featured
Audio
9.2

Text-to-song AI — full vocal tracks from a prompt.

Freemium· Free credits; from $10/mosongwritingdemos

GitHub Copilot

Featured
Coding · GPT-4o / Claude / OpenAI o-series
9.1

The original AI pair programmer, now with chat and agents.

Paid· $10/mo individual; $19/mo businessautocompletechat

Flux

Featured
Image Generation · Flux.1
9.0

Black Forest Labs' open-weights image model — rivals Midjourney quality.

Freemium· API per-image; weights free for [schnell] and [dev]open sourceself-hosted

Runway

Featured
Video · Gen-4
9.0

Pro-grade AI video editor and Gen-4 generation.

Paid· $15+/moshort filmVFX

Braintrust

Featured
Evaluation
8.9

Eval, monitor, and improve AI products end-to-end.

Freemium· Free up to 1k events/day; team from $249/moevalsmonitoring

LangGraph

Featured
Agents
8.8

Stateful, graph-based agent orchestration from LangChain.

Freemium· Open source; LangGraph Platform paidstateful agentshuman-in-loop

Pinecone

Featured
RAG
8.8

Managed vector database for production-scale similarity search.

Freemium· Free starter; pay-as-you-gomanaged vector DBproduction RAG

Sora

Featured
Video · Sora
8.8

OpenAI's flagship text-to-video model.

Paid· Bundled with ChatGPT Plus/Prorealistic motionnarrative clips

LlamaIndex

Featured
RAG
8.7

Data framework for connecting LLMs to your data.

Freemium· Open source; LlamaCloud paidRAGdata ingestion

Replit Agent

Featured
Coding
8.7

Build & deploy a full app from a single prompt.

Freemium· Free credits; Core $20/moprototypesinternal tools

Together AI

Featured
Fine-tuning
8.6

Fine-tune & serve open-weight models (Llama, Mistral, DeepSeek).

Paid· Pay-per-token; fine-tuning per-tokenopen modelsfine-tuning

CrewAI

Featured
Agents
8.4

Python framework for multi-agent orchestration.

Freemium· Open source core; cloud platform paidmulti-agentorchestration

Gemini Advanced

Writing · Gemini 2.5 Pro
9.0

Google's flagship — strong at math, long context, and Workspace integration.

Paid· $20/mo via Google One AIWorkspace integrationmath

Stable Diffusion

Image Generation · SD 3.5 / SDXL
8.8

Open-source image generation — run anywhere, fine-tune anything.

Freelocalfine-tuning

Udio

Audio
8.8

Suno's main rival for AI-generated full songs.

Freemium· Free; Standard $10/mofull songsmusic demos

AssemblyAI

Audio
8.7

Speech-to-text API with diarisation, summarisation, and topic detection.

Freemium· Free credits; pay-per-usetranscriptiondiarisation

LangSmith

Evaluation
8.7

LangChain's eval + observability platform.

Freemium· Free starter; Plus $39/mo per seatLLM tracingevals

Modal

Fine-tuning
8.7

Serverless GPUs and infra for training & serving ML.

Freemium· Free $30/mo credits; pay-as-you-goserverless GPUfine-tuning

Claude Agent SDK

Agents · Claude Opus / Sonnet
8.6

Anthropic's official SDK for building autonomous Claude agents.

Free· Free SDK; API usage billedClaude agentstool use